// 注册样式
html,body{
    width: 100%;
    height: 100%;
}
body{
    background-image: url('../imgs/bg1.jpeg');
    background-repeat: no-repeat;
    background-size: 100% 100%;
}
.form-signin{
    padding: 30px;
    box-shadow: 0 0 8px #ccc;
    h2{
        color: #999;
        text-align: center;
    }
    width: 300px;
    margin: 50px auto 0;
    input{
        margin-bottom: 15px;
    }
    .sendmail{
        overflow: hidden;
        #code{
            width: 140px;
        }
        .form-group{
            margin-bottom: 0;
        }
    }
    #sex{
        margin-bottom: 15px;
    }
}